Far below the gaseous atmospheric shroud on Saturn's largest moon, Titan, lies Kraken Mare, a sea of liquid methane. Astronomers have estimated that sea to be at least 1,000-feet deep near its ...

The largest lunar feature in the vicinity of Shioli is the Sea of Nectar, a basin 210 miles (339 kilometers) in diameter that is one of the oldest on the near side of the moon, the hemisphere that ...